Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Income Statement [Abstract]
Net revenues	$ 155,367	$ 263,445	$ 556,781	$ 795,748
Cost of sales	148,335	239,857	530,986	729,790
Gross profit	7,032	23,588	25,795	65,958
Selling, general & administrative expenses	25,165	18,105	58,059	51,069
Amortization of intangible assets	514	518	1,538	1,558
Asset impairment, net	109,633	0	134,104	0
Restructuring	2,196	3,905	13,397	11,371
Operating income (loss)	(130,476)	1,060	(181,303)	1,960
Interest expense	5,379	4,633	14,362	11,836
Interest income	(5)	(4)	(14)	(10)
Other (income) expense, net	1,875	113	2,221	(959)
Loss before income taxes	(137,725)	(3,682)	(197,872)	(8,907)
Provision (benefit) for income taxes	(591)	(973)	1,650	(2,612)
Net loss	$ (137,134)	$ (2,709)	$ (199,522)	$ (6,295)
Loss per share:
Basic loss per share	$ (5.76)	$ (0.11)	$ (8.40)	$ (0.27)
Basic weighted average number of common shares	23,824	23,557	23,754	23,486
Diluted loss per share	$ (5.76)	$ (0.11)	$ (8.40)	$ (0.27)
Diluted weighted average number of common shares	23,824	23,557	23,754	23,486